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21 lines
601 B
CMake
21 lines
601 B
CMake
# https://llvm.org/docs/XRay.html
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option (ENABLE_XRAY "Enable LLVM XRay" OFF)
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if (NOT ENABLE_XRAY)
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message (STATUS "Not using LLVM XRay")
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return()
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endif()
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if (NOT (ARCH_AMD64 AND (OS_LINUX OR OS_FREEBSD)))
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message (STATUS "Not using LLVM XRay, only amd64 Linux or FreeBSD are supported")
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return()
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endif()
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# The target clang must support xray, otherwise it should error on invalid option
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set (XRAY_FLAGS "-fxray-instrument -DUSE_XRAY")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${XRAY_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${XRAY_FLAGS}")
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message (STATUS "Using LLVM XRay")
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